Re: Slow down dev database transactions/second for testing?

On Sun, Feb 5, 2023 at 3:05 PM Erik Wienhold <ewie(at)ewie(dot)name> wrote:

> > On 05/02/2023 23:17 CET Richard Brockie <richard(dot)brockie(at)gmail(dot)com>
> wrote:
> >
> > I maintain a Django webapp that uses postgresql and can create
> inefficient
> > queries if I'm not careful. I'm looking for ways to mimic a congested db
> > server in development to expose these queries.
>
> pgbench is what your looking for:
> https://www.postgresql.org/docs/current/pgbench.html
>
> You can run custom statements with the --file option. Get the statements
> that
> Django generates and let pgbench run those to analyze the bottlenecks. Or
> let
> pgbench create load for some time (see option --time) while you debug your
> Django app.
>

Great - thanks for the suggestion.

> > The configuration of postgresql is complicated - is there a simple
> method by
> > which I could, for example limit the number of transactions/second to a
> > certain level by adjusting postgresql.conf?
>
> No. Postgres will execute as fast as possible with the available
> resources.
>

Understood - thanks again!

--
R.

Richard Brockie

Real-time bicycle race management - www.ontheday.net